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akarnokd merged 2 commits into from
Jul 9, 2026
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4.x: Update Readme with some small changes to trigger the beauty scanner #8228

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4.x: Update Readme with some small changes to trigger the beauty scanner
akarnokd Jul 9, 2026
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Merge remote-tracking branch 'origin/4.x' into 4xReadmeDocTest2
akarnokd Jul 9, 2026
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5 changes: 4 additions & 1 deletion README.md
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@@ -1,5 +1,7 @@
# RxJava: Reactive Extensions for the JVM

## :information_source: 4.0.0 release: 2026.11.30. Monday. [Track](https://github.com/ReactiveX/RxJava/milestone/30)

[![Maven Central](https://maven-badges.sml.io/sonatype-central/io.reactivex.rxjava4/rxjava/badge.svg)](https://maven-badges.sml.io/sonatype-central/io.reactivex.rxjava4/rxjava)
[![codecov.io](http://codecov.io/github/ReactiveX/RxJava/coverage.svg?branch=4.x)](https://codecov.io/gh/ReactiveX/RxJava/branch/4.x)
<a href='https://github.com/ReactiveX/RxJava/actions?query=workflow%3ASnapshot'><img src='https://github.com/ReactiveX/RxJava/workflows/Snapshot/badge.svg'></a>
Expand All @@ -13,7 +15,7 @@ It extends the [observer pattern](http://en.wikipedia.org/wiki/Observer_pattern)

#### Version 4.x ([Javadoc](http://reactivex.io/RxJava/4.x/javadoc/))

- :+1: Native Java 26* implementation. Will go 27 depending on how long it takes and what useful things 27 brings.
- :+1: Native Java 26 implementation<sup>1</sup>.
- :+1: No 3rd party library required at runtime.
- :+1: JPMS and :question: OSGi support still intact.
- :+1: `java.util.concurrent.Flow`-based implementation.
Expand All @@ -31,6 +33,7 @@ It extends the [observer pattern](http://en.wikipedia.org/wiki/Observer_pattern)
- :lady_beetle: Resolve many anomalies and bugs with operators such as `groupBy`, `window`, `concat`, etc.
- :warning: RxJava 3.x support will be toned down in the coming months, will be offered for +1 year after 4.x official release.

<sup>1</sup> :stop: Unfortunately Java 27 has no language or API enhancements we can use, because Structured Concurrency remained preview for one.

## Getting started

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